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82912411 = 307270073
BaseRepresentation
bin1001111000100…
…10010010011011
312210000101110001
410330102102123
5132211144121
612121033431
72024513101
oct474222233
9183011401
1082912411
114289035a
1223925877
131423cbca
14b023c71
15742b991
hex4f1249b

82912411 has 4 divisors (see below), whose sum is σ = 83182792. Its totient is φ = 82642032.

The previous prime is 82912397. The next prime is 82912429. The reversal of 82912411 is 11421928.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82912411 - 27 = 82912283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82912411.

It is not an unprimeable number, because it can be changed into a prime (82912441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134730 + ... + 135343.

It is an arithmetic number, because the mean of its divisors is an integer number (20795698).

Almost surely, 282912411 is an apocalyptic number.

82912411 is a deficient number, since it is larger than the sum of its proper divisors (270381).

82912411 is a wasteful number, since it uses less digits than its factorization.

82912411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270380.

The product of its digits is 1152, while the sum is 28.

The square root of 82912411 is about 9105.6252393781. The cubic root of 82912411 is about 436.0535716094.

The spelling of 82912411 in words is "eighty-two million, nine hundred twelve thousand, four hundred eleven".

Divisors: 1 307 270073 82912411